.source_edit_div{
	padding-left: 150px;
	padding-top: 10px;
	padding-right: 150px;
}
.edit_div{
	background: #fff;
	padding:10px;
}
.a1{
	padding: 15px;
}
.a2{
	display: inline-block;
	margin-right: 20px;
}
.operator{
	margin-top: 10px;
	text-align: center;
}
.operator input{
	margin-right: 30px;
}
img{
	cursor: pointer;
}